8 | © Danfoss | August 2018 AQ00000211
7.3.1.1 Internal monitoring disengage (IMD) ............................................................................................ 42
7.4 Valve capacity ................................................................................................................................................................... 43
7.5 LVDT compensation and spool threshold at boot-up ........................................................................ 45
7.5.1.1 LVDT compensation ............................................................................................................................ 45
7.5.1.2 Spool threshold at boot-up ................................................................................................................. 45
7.6 Analogue interface ......................................................................................................................................................... 45
7.6.1.1 AD low-pass filter ................................................................................................................................. 45
7.6.1.2 Analogue input drift compensation ................................................................................................. 46
7.6.1.3 Sensor supply test ................................................................................................................................. 46
7.7 Steering device and program changes ......................................................................................................... 47
7.8 Vehicle speed setup ...................................................................................................................................................... 47
7.9 Vehicle geometry ............................................................................................................................................................ 48
7.10 Setup a steering device ............................................................................................................................................. 51
EXTERNAL SENSORS .................................................................................................................................... 51
8.1 Wheel angle sensor ................................................................................................................................................................ 52
8.1.1 No Wheel angle sensor ........................................................................................................................................ 52
8.2 Speed sensor ............................................................................................................................................................................. 52
8.3 SASAIID sensor ...................................................................................................................................................................... 53
CALIBRATION ................................................................................................................................................. 54
9.1 Wheel angle sensor calibration .......................................................................................................................................... 55
9.1.1 Automatic adjustment of maximum steer angles and cylinder stroke volume ................................. 56
9.2 Analogue Joystick calibration ............................................................................................................................................ 61
9.3 Spool calibration ..................................................................................................................................................................... 62
9.3.1 Prerequisites ............................................................................................................................................................ 62
9.3.2 Spool calibration overview ................................................................................................................................ 63
9.4 Auto-calibration ...................................................................................................................................................................... 65
9.4.1 Initial setup .............................................................................................................................................................. 66
9.4.1.1 Auto-calibration parameter plausibility check ............................................................................ 67
9.5 Execute auto-calibration from plus+1 service tool ..................................................................................................... 70
9.5.1 Pre-requisite ............................................................................................................................................................ 70
9.5.2 Execute WAS auto-calibration from the PLUS+1 SERVICE TOOL ................................................. 70
9.5.3 Execute Analogue Joystick auto-calibration from the PLUS+1 SERVICE TOOL ....................... 74
9.5.4 Execute spool auto-calibration from the PLUS+1 SERVICE TOOL ................................................. 78
9.5.4.1 Fine-tuning of parameters for spool calibration ......................................................................... 82
STEERING WHEEL PROGRAMS .................................................................................................................. 83
10.1 Block diagram .......................................................................................................................................................................... 83
10.2 Backlash ..................................................................................................................................................................................... 83
10.3 STW in use and activation threshold ............................................................................................................................... 84
10.4 Vehicle speed dependent Fast-steering ........................................................................................................................... 84
10.4.1 Compensate steering sensitivity according to wheel angle range ......................................................... 85
10.5 Anti-drift (EFU) ...................................................................................................................................................................... 87
10.6 Anti-jerk ..................................................................................................................................................................................... 89
10.6.1 Calculation of flow set-point using anti-jerk functionality ..................................................................... 90
10.7 Soft-stop ..................................................................................................................................................................................... 93
AUX STEERING ............................................................................................................................................... 95
11.1 Block diagram .......................................................................................................................................................................... 96
11.1.1 Open loop mini-wheel ......................................................................................................................................... 96